A region contains a uniform electric field `bar(E)=(10hat i+30hat j)Vm^(-1)` A and B are two points in the field at (1,2,0)m and (2,1,3)m respectively.The work done when a charge 0.8C moves from A and B in a parabolic path is?

A surface has the area vector vec A=(2hat i+3hat j)m^(2) ? The flux of an electric field through it if the fields is bar(E)=4hat i(V)/(m) :

A charged cork ball of mass m is suspended on a light sting in the presence of a uniform electric field as shown in fig. When E=(A hat i+B hat j)NC^(-1) , Where A and B positive numbers, the ball is in equilibirum at theta . Find (a) the charge on the ball and (b) the tension in the string.

An electric field vec E=(25hat i+30hat j)NC^(-1) exists in a region of space.If the potential at the origin is taken to be zero then the potential at x =2 m y =2 m is :?

In a region of space , suppose there exists a uniform electric field vec(E ) = 10 hat(i) ( V /m) . If a positive charge moves with a velocity vec(v ) = -2 hat(j) , its potential energy

In any region, if electric field is define as bar(E ) = ( hat(i) + 2 hat(j)+ hat(k))V//m , then the potential differnece between two points A ( 0,0,0) and B ( 2,3,4) in that region is

An electric field is given by vec(E )=(yhat(i)+hat(j))NC^(-1) . Find the work done (in j) by the electric field in moving a 1 C charge form vecr_(A)=(2 hat(i)+2 hat(j))m to vecr_(B)=(4 hat(i)+hat(j))m .

The displacement of a charge Q in the electric field vec(E) = e_(1)hat(i) + e_(2)hat(j) + e_(3) hat(k) is vec(r) = a hat(i) + b hat(j) . The work done is

A particle is moved from (0, 0) to (a, a) under a force a F=(3hat(i)+4hat(j)) from two paths. Path 1 is OP and path 2 is OPQ. Let W_(1) and W_(2) be the work done by this force in these two paths. Then,

A particle ( mass = m and charge = q ) is moving in a region in which there exists a uniform electric field E vec( i ) and a uniform magnetic field B hat (k) . At t = 0 , the particle is at ( 0,a ) and is moving with v hat(i) . After some time, the particle is located at ( 2a, 0 ) and has a velocity - 2 v hat( j ) , then which of the following is true ?

Two point charges of, 1 mu C and -1 mu C are kept at (-2 m, 0) and (2 m, 0) respectively. Calculate the electric field at point (0, 5 m).